/*
 * Copyright (c) 2006-2014 DMDirc Developers
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package com.dmdirc.updater.manager;

import com.dmdirc.updater.UpdateComponent;

/**
 * Interface for objects interested in updates to the status of an {@link UpdateComponent}.
 */
public interface UpdateStatusListener {

    /**
     * Called when the status of an update is changed. Note that the <code>progress</code> parameter
     * may not be used for all statuses, and will generally only be implemented for those that
     * involve lengthy I/O operations such as {@link UpdateStatus#RETRIEVING}.
     *
     * @param component The component whose status has changed
     * @param status    The current (new) status of the component
     * @param progress  The percentage progress through the current state
     */
    void updateStatusChanged(UpdateComponent component, UpdateStatus status, double progress);

}
